Finding the Fourth Proportional to 9,507.02, 13,120.11 and 5,315.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,507.02 : 13,120.11 = 5,315.27 : x
2. Step 2: Convert to fraction form
   9,507.02/13,120.11 = 5,315.27/x
3. Step 3: Cross multiply
   9,507.02x = 13,120.11 × 5,315.27
4. Step 4: Simplify right side
   9,507.02x = 69,736,861.48
5. Step 5: Solve for x
   x = 69,736,861.48/9,507.02
6. Step 6: Final answer
   x = 7,335.31